1. Increase the humidity 2. Reduce the dust 3. High absorb ability, high water resistant, anti-mildew and long service life. Features 1. Uses the new material and the spatial crossing linking technology. 2. Large evaporation area, cooling efficiency as high as 80%. 3. The product does not include chemicals which are allergic to the skin. It is nontoxic and harmless, safe, energy saving, ...